645307107358 has 32 divisors (see below), whose sum is σ = 1002213741312. Its totient is φ = 311494646400.

The previous prime is 645307107349. The next prime is 645307107359. The reversal of 645307107358 is 853701703546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (645307107359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1089553 + ... + 1574083.

It is an arithmetic number, because the mean of its divisors is an integer number (31319179416).

Almost surely, 2^645307107358 is an apocalyptic number.

645307107358 is a deficient number, since it is larger than the sum of its proper divisors (356906633954).

645307107358 is a wasteful number, since it uses less digits than its factorization.

645307107358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484800.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 645307107358 in words is "six hundred forty-five billion, three hundred seven million, one hundred seven thousand, three hundred fifty-eight".